Yihui Xiong / lwip-arch-max-dev

dev

Dependents:   EthernetInterface

Fork of lwip by mbed official

include/ipv4/lwip/icmp.h@0:51ac1d130fd4, 2012-06-22 (annotated)

Committer:
mbed_official
Date:
Fri Jun 22 09:25:39 2012 +0000
Revision:
0:51ac1d130fd4
Initial import from lwip-1.4.0: http://download.savannah.gnu.org/releases/lwip/lwip-1.4.0.zip

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:51ac1d130fd4 1 /*
mbed_official 0:51ac1d130fd4 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
mbed_official 0:51ac1d130fd4 3 * All rights reserved.
mbed_official 0:51ac1d130fd4 4 *
mbed_official 0:51ac1d130fd4 5 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 0:51ac1d130fd4 6 * are permitted provided that the following conditions are met:
mbed_official 0:51ac1d130fd4 7 *
mbed_official 0:51ac1d130fd4 8 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 0:51ac1d130fd4 9 * this list of conditions and the following disclaimer.
mbed_official 0:51ac1d130fd4 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 0:51ac1d130fd4 11 * this list of conditions and the following disclaimer in the documentation
mbed_official 0:51ac1d130fd4 12 * and/or other materials provided with the distribution.
mbed_official 0:51ac1d130fd4 13 * 3. The name of the author may not be used to endorse or promote products
mbed_official 0:51ac1d130fd4 14 * derived from this software without specific prior written permission.
mbed_official 0:51ac1d130fd4 15 *
mbed_official 0:51ac1d130fd4 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
mbed_official 0:51ac1d130fd4 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mbed_official 0:51ac1d130fd4 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
mbed_official 0:51ac1d130fd4 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
mbed_official 0:51ac1d130fd4 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
mbed_official 0:51ac1d130fd4 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official 0:51ac1d130fd4 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official 0:51ac1d130fd4 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
mbed_official 0:51ac1d130fd4 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
mbed_official 0:51ac1d130fd4 25 * OF SUCH DAMAGE.
mbed_official 0:51ac1d130fd4 26 *
mbed_official 0:51ac1d130fd4 27 * This file is part of the lwIP TCP/IP stack.
mbed_official 0:51ac1d130fd4 28 *
mbed_official 0:51ac1d130fd4 29 * Author: Adam Dunkels <adam@sics.se>
mbed_official 0:51ac1d130fd4 30 *
mbed_official 0:51ac1d130fd4 31 */
mbed_official 0:51ac1d130fd4 32 #ifndef __LWIP_ICMP_H__
mbed_official 0:51ac1d130fd4 33 #define __LWIP_ICMP_H__
mbed_official 0:51ac1d130fd4 34
mbed_official 0:51ac1d130fd4 35 #include "lwip/opt.h"
mbed_official 0:51ac1d130fd4 36 #include "lwip/pbuf.h"
mbed_official 0:51ac1d130fd4 37 #include "lwip/ip_addr.h"
mbed_official 0:51ac1d130fd4 38 #include "lwip/netif.h"
mbed_official 0:51ac1d130fd4 39
mbed_official 0:51ac1d130fd4 40 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 41 extern "C" {
mbed_official 0:51ac1d130fd4 42 #endif
mbed_official 0:51ac1d130fd4 43
mbed_official 0:51ac1d130fd4 44 #define ICMP_ER 0 /* echo reply */
mbed_official 0:51ac1d130fd4 45 #define ICMP_DUR 3 /* destination unreachable */
mbed_official 0:51ac1d130fd4 46 #define ICMP_SQ 4 /* source quench */
mbed_official 0:51ac1d130fd4 47 #define ICMP_RD 5 /* redirect */
mbed_official 0:51ac1d130fd4 48 #define ICMP_ECHO 8 /* echo */
mbed_official 0:51ac1d130fd4 49 #define ICMP_TE 11 /* time exceeded */
mbed_official 0:51ac1d130fd4 50 #define ICMP_PP 12 /* parameter problem */
mbed_official 0:51ac1d130fd4 51 #define ICMP_TS 13 /* timestamp */
mbed_official 0:51ac1d130fd4 52 #define ICMP_TSR 14 /* timestamp reply */
mbed_official 0:51ac1d130fd4 53 #define ICMP_IRQ 15 /* information request */
mbed_official 0:51ac1d130fd4 54 #define ICMP_IR 16 /* information reply */
mbed_official 0:51ac1d130fd4 55
mbed_official 0:51ac1d130fd4 56 enum icmp_dur_type {
mbed_official 0:51ac1d130fd4 57 ICMP_DUR_NET = 0, /* net unreachable */
mbed_official 0:51ac1d130fd4 58 ICMP_DUR_HOST = 1, /* host unreachable */
mbed_official 0:51ac1d130fd4 59 ICMP_DUR_PROTO = 2, /* protocol unreachable */
mbed_official 0:51ac1d130fd4 60 ICMP_DUR_PORT = 3, /* port unreachable */
mbed_official 0:51ac1d130fd4 61 ICMP_DUR_FRAG = 4, /* fragmentation needed and DF set */
mbed_official 0:51ac1d130fd4 62 ICMP_DUR_SR = 5 /* source route failed */
mbed_official 0:51ac1d130fd4 63 };
mbed_official 0:51ac1d130fd4 64
mbed_official 0:51ac1d130fd4 65 enum icmp_te_type {
mbed_official 0:51ac1d130fd4 66 ICMP_TE_TTL = 0, /* time to live exceeded in transit */
mbed_official 0:51ac1d130fd4 67 ICMP_TE_FRAG = 1 /* fragment reassembly time exceeded */
mbed_official 0:51ac1d130fd4 68 };
mbed_official 0:51ac1d130fd4 69
mbed_official 0:51ac1d130fd4 70 #ifdef PACK_STRUCT_USE_INCLUDES
mbed_official 0:51ac1d130fd4 71 # include "arch/bpstruct.h"
mbed_official 0:51ac1d130fd4 72 #endif
mbed_official 0:51ac1d130fd4 73 /** This is the standard ICMP header only that the u32_t data
mbed_official 0:51ac1d130fd4 74 * is splitted to two u16_t like ICMP echo needs it.
mbed_official 0:51ac1d130fd4 75 * This header is also used for other ICMP types that do not
mbed_official 0:51ac1d130fd4 76 * use the data part.
mbed_official 0:51ac1d130fd4 77 */
mbed_official 0:51ac1d130fd4 78 PACK_STRUCT_BEGIN
mbed_official 0:51ac1d130fd4 79 struct icmp_echo_hdr {
mbed_official 0:51ac1d130fd4 80 PACK_STRUCT_FIELD(u8_t type);
mbed_official 0:51ac1d130fd4 81 PACK_STRUCT_FIELD(u8_t code);
mbed_official 0:51ac1d130fd4 82 PACK_STRUCT_FIELD(u16_t chksum);
mbed_official 0:51ac1d130fd4 83 PACK_STRUCT_FIELD(u16_t id);
mbed_official 0:51ac1d130fd4 84 PACK_STRUCT_FIELD(u16_t seqno);
mbed_official 0:51ac1d130fd4 85 } PACK_STRUCT_STRUCT;
mbed_official 0:51ac1d130fd4 86 PACK_STRUCT_END
mbed_official 0:51ac1d130fd4 87 #ifdef PACK_STRUCT_USE_INCLUDES
mbed_official 0:51ac1d130fd4 88 # include "arch/epstruct.h"
mbed_official 0:51ac1d130fd4 89 #endif
mbed_official 0:51ac1d130fd4 90
mbed_official 0:51ac1d130fd4 91 #define ICMPH_TYPE(hdr) ((hdr)->type)
mbed_official 0:51ac1d130fd4 92 #define ICMPH_CODE(hdr) ((hdr)->code)
mbed_official 0:51ac1d130fd4 93
mbed_official 0:51ac1d130fd4 94 /** Combines type and code to an u16_t */
mbed_official 0:51ac1d130fd4 95 #define ICMPH_TYPE_SET(hdr, t) ((hdr)->type = (t))
mbed_official 0:51ac1d130fd4 96 #define ICMPH_CODE_SET(hdr, c) ((hdr)->code = (c))
mbed_official 0:51ac1d130fd4 97
mbed_official 0:51ac1d130fd4 98
mbed_official 0:51ac1d130fd4 99 #if LWIP_ICMP /* don't build if not configured for use in lwipopts.h */
mbed_official 0:51ac1d130fd4 100
mbed_official 0:51ac1d130fd4 101 void icmp_input(struct pbuf *p, struct netif *inp);
mbed_official 0:51ac1d130fd4 102 void icmp_dest_unreach(struct pbuf *p, enum icmp_dur_type t);
mbed_official 0:51ac1d130fd4 103 void icmp_time_exceeded(struct pbuf *p, enum icmp_te_type t);
mbed_official 0:51ac1d130fd4 104
mbed_official 0:51ac1d130fd4 105 #endif /* LWIP_ICMP */
mbed_official 0:51ac1d130fd4 106
mbed_official 0:51ac1d130fd4 107 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 108 }
mbed_official 0:51ac1d130fd4 109 #endif
mbed_official 0:51ac1d130fd4 110
mbed_official 0:51ac1d130fd4 111 #endif /* __LWIP_ICMP_H__ */